Aiseesoft Free PDF Viewer vs Preview
| Aiseesoft Free PDF Viewer | Preview | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Windows | — |
| Free plan | Yes | Yes |
| Platform support | desktop | desktop |
| Annotation tools | — | Yes |
| Form filling | — | Yes |
| Offline access | — | Yes |
Both are listed in Best PDF Readers. On Samsung Mobile US Press, Preview scores higher on our published basis.